HT05 Module¶
Pinout¶
Pin |
Name |
Direction |
Description |
Note |
---|---|---|---|---|
1 |
TX |
Output |
UART transmit |
|
2 |
RX |
Input |
UART receive |
Also ADC input A6 |
3 |
nPRG |
Input |
Select programming mode |
Active low |
4 |
TCK |
Input |
Spy-Bi-Wire Clock |
Also TEST signal for BSL entry |
5 |
TDIO |
I/O |
Spy-Bi-Wire Data |
Also nRESET signal |
6 |
GND |
GND |
||
7 |
VDD |
Input |
Power in |
|
8+ |
NC |
Not connected |